Tubular beam



FIG. 1 is a top perspective view of a tubular beam incorporating my newdesign;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines shown in the drawings are for environmental purposesonly and form no part of the claimed design.

The tubular beam is shown with a symbolic break in its length. Theappearance of any portion of the article between the break lines formsno part of the claimed design.

CLAIM The ornamental design for a tubular beam, as shown and described. 